'''
余俊豪
'''

'''
通用序列
'''
# 定义字符串
str1 = "11faewgf11"
print(str1)
# 索引
print(len(str1))
print(str1[6])
print(str1[-4])
# 切片
print(str1[3:])
print(str1[2:6])
print(str1[-7:-2])
print(str1[-7:-2:2])
# 定义列表
list1= [1,2,3,4,5]
print(list1)
# 相加、相乘、内置函数
str2 = "111222abc"
str3 = "222333"
print(str2 + str3)
print(str2 * 3)
print(len(str3))
print(min(str2))
print(str2.index("a"))
print(str2.count("2"))
list2 = [1,1,1,2,2,2]
list3 = [2,2,2,3,3,3]
print(list2 * 3)
print(list2 + list3)
print(len(list3))
print(max(list3))
print(list2.index(2))
print(list2.count(2))